5x^2-33x-10=0

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Solution for 5x^2-33x-10=0 equation:


Simplifying
5x2 + -33x + -10 = 0

Reorder the terms:
-10 + -33x + 5x2 = 0

Solving
-10 + -33x + 5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
5 the coefficient of the squared term: 

Divide each side by '5'.
-2 + -6.6x + x2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -6.6x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + -6.6x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -6.6x + x2 = 0 + 2
-6.6x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
-6.6x + x2 = 2

The x term is -6.6x.  Take half its coefficient (-3.3).
Square it (10.89) and add it to both sides.

Add '10.89' to each side of the equation.
-6.6x + 10.89 + x2 = 2 + 10.89

Reorder the terms:
10.89 + -6.6x + x2 = 2 + 10.89

Combine like terms: 2 + 10.89 = 12.89
10.89 + -6.6x + x2 = 12.89

Factor a perfect square on the left side:
(x + -3.3)(x + -3.3) = 12.89

Calculate the square root of the right side: 3.590264614

Break this problem into two subproblems by setting 
(x + -3.3) equal to 3.590264614 and -3.590264614.

Subproblem 1

x + -3.3 = 3.590264614 Simplifying x + -3.3 = 3.590264614 Reorder the terms: -3.3 + x = 3.590264614 Solving -3.3 + x = 3.590264614 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.3' to each side of the equation. -3.3 + 3.3 + x = 3.590264614 + 3.3 Combine like terms: -3.3 + 3.3 = 0.0 0.0 + x = 3.590264614 + 3.3 x = 3.590264614 + 3.3 Combine like terms: 3.590264614 + 3.3 = 6.890264614 x = 6.890264614 Simplifying x = 6.890264614

Subproblem 2

x + -3.3 = -3.590264614 Simplifying x + -3.3 = -3.590264614 Reorder the terms: -3.3 + x = -3.590264614 Solving -3.3 + x = -3.590264614 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.3' to each side of the equation. -3.3 + 3.3 + x = -3.590264614 + 3.3 Combine like terms: -3.3 + 3.3 = 0.0 0.0 + x = -3.590264614 + 3.3 x = -3.590264614 + 3.3 Combine like terms: -3.590264614 + 3.3 = -0.290264614 x = -0.290264614 Simplifying x = -0.290264614

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.890264614, -0.290264614}

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